Karyogenomics of species of the genus Linum L.

Karyogenomics of species of the genus Linum L. Using the molecular cytogenetic and RAPD methods of analysis, we studied genomes of 22 cultivated flax varieties and 24 wild species from six sections of the genus Linum L. The chromosome numbers were exactly determined in the karyotypes of all studied species, and all individual chromosomes were identified by the C/DAPI-banding pattern and localization of 26S rDNA and 5S rDNA. B chromosomes were discovered and studied for the first time in species of the section Syllinum Griseb. According to the data obtained, the species studied were divided into eight groups on the basis of similarity of their karyotypes, which corresponded in general to their clustering based on the RAPD results. The systematic positions and phylogenetic relationships of the flax species were verified. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Genetics Springer Journals

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Publisher
Springer Journals
Copyright
Copyright © 2010 by Pleiades Publishing, Ltd.
Subject
Biomedicine; Microbial Genetics and Genomics; Animal Genetics and Genomics; Human Genetics
ISSN
1022-7954
eISSN
1608-3369
D.O.I.
10.1134/S1022795410100091
Publisher site
See Article on Publisher Site

Abstract

Using the molecular cytogenetic and RAPD methods of analysis, we studied genomes of 22 cultivated flax varieties and 24 wild species from six sections of the genus Linum L. The chromosome numbers were exactly determined in the karyotypes of all studied species, and all individual chromosomes were identified by the C/DAPI-banding pattern and localization of 26S rDNA and 5S rDNA. B chromosomes were discovered and studied for the first time in species of the section Syllinum Griseb. According to the data obtained, the species studied were divided into eight groups on the basis of similarity of their karyotypes, which corresponded in general to their clustering based on the RAPD results. The systematic positions and phylogenetic relationships of the flax species were verified.

Journal

Russian Journal of GeneticsSpringer Journals

Published: Oct 13, 2010

References

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